Buckle



FIG. 1 is a perspective view of a buckle showing my new design;

FIG. 2 is a front view thereof; a rear view being the same as the front view;

FIG. 3 is a plan view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right side view thereof; a left side view being the same as the right side view;

FIG. 6 is a sectional view thereof taken along line 6—6 in FIG. 5; and,

FIG. 7 is another sectional view thereof taken along line 7—7 in FIG. 2. 

The ornamental design for a buckle, as shown and described. 